package com.ktjy.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author:雷淑娥
 * @Date:2024/11/25 15:58
 * version:1.0
 */
public class MyBatisUtil {
    private static SqlSessionFactory factory;

    static {
        try {
            InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
            factory = new SqlSessionFactoryBuilder().build(is);
        }catch (IOException ex) {
            ex.printStackTrace();
            throw new RuntimeException("初始化失败",ex);
        }
    }

    //创建并返回SqlSession实例
    public static SqlSession createSqlSession() {
        return factory.openSession(true); //关闭自动提交开启事务
    }

    //关闭SqlSession
    public static void closeSqlSession(SqlSession sqlSession) {
        if (sqlSession != null)
            sqlSession.close();
    }
}
